[PATCH] drm/amd/display: fix typos in several function pointer checks

[Vitaliy Shevtsov]

Fix several copypaste mistakes in *_disable_link_output() functions where
an improper function pointer is checked before dereference.

Found by Linux Verification Center (linuxtesting.org) with Svace.

Signed-off-by: Vitaliy Shevtsov <v.shevt...@maxima.ru>
---
 drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 2 +-
 drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c | 2 +-
 drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c   | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
index d52ce58c6a98..c2364cb66d0b 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
@@ -3258,7 +3258,7 @@ void dce110_disable_link_output(struct dc_link *link,
         * from enable/disable link output and only call edp panel control
         * in enable_link_dp and disable_link_dp once.
         */
-       if (dmcu != NULL && dmcu->funcs->lock_phy)
+       if (dmcu != NULL && dmcu->funcs->unlock_phy)
                dmcu->funcs->unlock_phy(dmcu);
        dc->link_srv->dp_trace_source_sequence(link, 
DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
 }
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
index 4e93eeedfc1b..5b6cf2a8e38d 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c
@@ -478,7 +478,7 @@ void dcn314_disable_link_output(struct dc_link *link,
         * from enable/disable link output and only call edp panel control
         * in enable_link_dp and disable_link_dp once.
         */
-       if (dmcu != NULL && dmcu->funcs->lock_phy)
+       if (dmcu != NULL && dmcu->funcs->unlock_phy)
                dmcu->funcs->unlock_phy(dmcu);
        dc->link_srv->dp_trace_source_sequence(link, 
DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
 
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
index a36e11606f90..84153682af1a 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
@@ -1384,10 +1384,10 @@ void dcn32_disable_link_output(struct dc_link *link,
        link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF;
 
        if (signal == SIGNAL_TYPE_EDP &&
-                       link->dc->hwss.edp_backlight_control &&
+                       link->dc->hwss.edp_power_control &&
                        !link->skip_implict_edp_power_control)
                link->dc->hwss.edp_power_control(link, false);
-       else if (dmcu != NULL && dmcu->funcs->lock_phy)
+       else if (dmcu != NULL && dmcu->funcs->unlock_phy)
                dmcu->funcs->unlock_phy(dmcu);
 
        dc->link_srv->dp_trace_source_sequence(link, 
DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
-- 
2.46.1